Furnace not igniting or heating? This video demonstrates how to test an igniter on a furnace. The igniter is the most commonly replaced part on a furnace that won’t ignite or heat.
Other commonly replaced parts for a furnace that won’t ignite or heat are:
Flame sensor Draft inducer motor Control board Limit switch Flame rollout limit switch Wall thermostat Gas valve assembly Pressure switch
All of the information provided in this part testing video is applicable to the following brands: Amana, Bryant, Carrier, Coleman, Lennox, Payne, Rheem, Trane, York
